question

svpazuzu avatar image
svpazuzu asked

Lynx BMS AUX fuse

I have a Lynx Smart BMS 500 and a Cerbo GX. The system was shut down over the winter, I powered it back on recently for the spring and the Cerbo is not getting power from the BMS AUX (pins 1 and 2). If I power the Cerbo from another source, the Cerbo boots as expected and works fine.

The system batteries are charged and read about 55v. Measuring directly at pins 1 and 2 on the BMS is reading 48v. The manual says the aux port is protected by a 1.1amp re-settable fuse but I don't see any instructions on how to reset it.

Are there any other troubleshooting steps I should perform before I replace the BMS?

lynx bms
1 comment
2 |3000

Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

pwfarnell avatar image pwfarnell commented ·

Answer to a similar questions a few years ago may be of help.

".....The internal fuse is not accessible for the user. AFAIK it's one of those self-resettable SMD fuses on the PCB....."

https://community.victronenergy.com/questions/140519/lynx-bms-atc-and-atd-port-fusing.html

1 Like 1 ·
0 Answers

Related Resources